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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 1031 - PART 1031—CONTROL OF AIR POLLUTION FROM AIRCRAFT ENGINES
Subpart A [§ 1031.1 - § 1031.20] - Subpart A—Scope and Applicability
Subpart B [§ 1031.30 - § 1031.140] - Subpart B—Emission Standards and Measurement Procedures
Subpart C [§ 1031.150 - § 1031.170] - Subpart C—Reporting and Recordkeeping
Subpart D [§ 1031.200 - § 1031.210] - Subpart D—Reference Information
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